Labs
AI provenance lab: if nothing is detected, is the picture a camera original?
A download and a screenshot are different files. A screenshot drops the old container. Absence of a signal is a result of this read, not a certificate of origin.
If an image has no C2PA and no obvious generator mark, can I treat that silence as proof it is not AI-made?
C2PA, ordinary metadata, and an empty read are three different results. Finding no provenance signal does not prove a camera original. A screenshot has already dropped the old container. Clean the copy in this browser before sending. The file stays on this device and is not uploaded to this site.
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Short answer
Direct answer: failing to read a provenance signal only means this read found none. It does not prove a camera original.
- Three results: C2PA or a generator mark is one result. Ordinary EXIF is another. An empty read is a third. The third is not proof of a photograph.
- What that does not prove: Do not freeze one export as the format of every generator. A screenshot has already discarded the container.
- What you can do first: Read this file in the browser’s provenance viewer. The file stays on this device.
🟢 Local sample verified · 1 November 2026 · Viewer and cleaner compared
ChatGPT image lab: what can still be in the file you saved?
We have not published a dated dump of a ChatGPT-downloaded image yet. Possible file-level signals include ordinary metadata and, when present, C2PA / Content Credentials. A missing signal is inconclusive — not proof the picture is human-made. Screenshots throw away container metadata.
🟢 Local sample verified · 1 November 2026 · Viewer and cleaner comparedGemini image lab: can one download stand for the whole product?
Pending. We will record whatever is actually in a downloaded Gemini image: ordinary metadata, C2PA if present, or nothing readable. We will not sketch an unofficial watermark map to fill this page.
🟢 Local sample verified · 1 November 2026 · Viewer and cleaner comparedGrok image lab: what can you honestly say when a download has no mark?
Pending. A Grok download may carry ordinary metadata, generator tags, or C2PA — or none of those. Until we publish a dated file, treat every specific field list as unverified.